Land for Sale including Undeveloped Land in McMullen County, Texas

South Texas is typically classified as the area between the San Antonio metro area and south to the Rio Grande and Gulf of Mexico. Of 254 counties in the state, McMullen County ranks 46th by size (1,156 square miles). McMullen County is in Rio Grande Plains Texas. Texas's McMullen County includes roughly 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was approximately $400,000. Browse all McMullen County undeveloped land for sale on the Land Network to find your next commercial property or land investment. The most common type of land for sale by combined acreage in McMullen County is recreational property.